Update email from address and add deploy script

- Fix EMAIL_FROM to use contact.golfcards.club subdomain
- Add scripts/deploy.sh

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/deploy.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e
+
+DROPLET="root@165.245.152.51"
+REMOTE_DIR="/opt/golfgame"
+
+echo "Deploying to $DROPLET..."
+ssh $DROPLET "cd $REMOTE_DIR && git pull origin main && docker compose -f docker-compose.prod.yml up -d --build app"
+echo "Deploy complete."